SO.MUCH.STUFF
Toiletries, clothes, sandals, etc (enough that we can all travel with just a backpack)
Full set of dishes, including silverware
Cooking utensils and a mini griddle
Stainless steel water bottles and coffee tumblers
refillable popcorn bucket
non-perishable food (peanut butter, oatmeal, condiments, spices, etc)
Ponchos and umbrellas
backpack
First Aid stuff, including medicines
Laundry bag and detergent
Trading pins and lanyard
extra magic bands
We go enough that it is absolutely worth it for us

I love that stupid box so much that I cried when I finally saw it again in late august. My son and husband found that hilarious LOL